Professor Renata Kallosh (Stanford University), one of the world’s leading theoretical physicists, will be this summer’s Lorentz Professor at the Leiden institute for theoretical physics. Her main areas of interest are cosmology and string theory. She studied physics in Moscow, where she also obtained…

In 2007, a spy from the Dutch General Intelligence and Security Service (AIVD) planted a destructive computer virus at an Iranian nuclear site, halting the Iranian nuclear weapons programme. Dutch newspaper ‘de Volkskrant’ has revealed that the AIVD kept the crucial role of the Dutch spy a secret from…

Essential services risk being taken over by US Big Tech companies, affecting privacy and digital sovereignty in the Netherlands. Reijer Passchier, Assistant Professor of Constitutional Law and Professor of Digitalisation and the Democratic Rule of Law at OU, co-authored an opinion piece in ‘de Volkskrant’…

Most of us know that Venice, Genoa, and Florence were major Mediterranean powers during the Renaissance. But did you know that in terms of trade and sea power, Barcelona was probably more powerful than two of these three?

Due to an exception in the law, domestic workers employed by private persons cannot automatially benefit from social security schemes. Home help Carol Kollmann did not agree with this and took her case to court.

It's the middle of summer and the lecture halls are full. Students from all parts of the world have come to Leiden and The Hague for a summer school, on subjects varying from linguistics to international criminal law and from physics to biopharmaceutical sciences. Lecturers and students talk about what…

The Leiden Lectures in Media | Art | Politics (MAP) is a series of talks organized by Pepita Hesselberth and Yasco Horsman. Speakers from various academic backgrounds and in different stages of their careers reflect on diverging ways in which technological and social changes challenge and transform…

A word from our director

The Dutch Royal Couple received 70 scientists at the yearly gala for the Diplomatic Corps at the Royal Palace in Amsterdam on 14 June 2023.

Media all around the world reported about it: the most detailed images yet seen of galaxies, shot by radio telescope LOFAR. The international team behind these amazing results were led by Leah Morabito at Durham University and included three talented Leiden astronomers.

Over a seven year period an international team of scientists has mapped more than a quarter of the northern sky using the Low Frequency Array (LOFAR), a pan-European radio telescope. From Leiden, Astronomer Timothy Shimwell and Huub Röttgering, among others, are involved. It reveals an astonishingly…

Astronomers from Leiden Observatory have developed a new method to find distant quasars and better distinguish them from other objects that look like them, using machine learning techniques. The research result has been accepted for publication in the journal Astronomy & Astrophysics. It is the last…

‘China has become an academic powerhouse, which is good reason for Leiden University to expand our partnerships with universities there.' A delegation headed by Rector Magnificus Carel Stolker visited China and South Korea, to renew and extend existing partnerships.

The Faculty of Archaeology is running a funding scheme to assist small-scale projects that contribute to diversifying archaeological practice in all domains, including classrooms, laboratories, museums, and the field. We discuss the grant with two representatives from the Diversity Committee: Tuna Kalaycı…

Three projects with Leiden researchers are to receive a subsidy from NWO for the construction or renovation of large-scale research facilities. They will be working on electron microscopy, an X-omics initiative and an X-ray telescope. The projects are part of the National Roadmap for Large-Scale Scientific…

If universities want to open their doors to more students and staff from minority groups, good intentions alone will not suffice. That is what Frank Tuitt, Diversity Officer at the University of Denver, has to say. He will speak at the University’s annual Diversity Symposium on 22 January 2020.

It was more than twenty years ago that the plan for a Japanese-Dutch dictionary was born. Now it contains over 65,000 words, and completion is tentatively coming into view. Dictionary makers Oscar Veltink and Hetty Geerdink-Verkoren talk about their enthusiasm for this decades-long mammoth task.

Jorik ter Veer studied Political Science in Leiden. How does he look back on his student days?

Part Two: Land Ahoy! Casa Blanca

On Friday, April 5, the Ecuadorian police stormed the Mexican Embassy in Quito to arrest former Ecuadorian vice president Jorge Glas Espinel.

The two instruments of ESA's space telescope Euclid have taken their first test images. The first images indicate that the space telescope will achieve the scientific goals for which it was designed - and possibly much more. Euclid will create a 3D map of a third of the sky, allowing scientists to study…

At the end of October, the Steering Committee, headed by Dean Mark Rutgers, gave the green light for the development of the new Faculty Strategic Plan for 2021-2026. How does this process go?

A safe place to discuss burning social issues such as racism with each other. The student workspace Space to Talk About Race and the Afro Student Association both meet this need and also organise many other activities. Three board members explain why this is necessary.

The one-day symposium ‘War in Europe: the impact of Russian aggression in Ukraine two years on’ on 23 February 2024

Leiden-Delft-Erasmus is introducing three new minors this year: Space Missions, (Re)imagining Port Cities: Understanding Space, and Living Education Lab. Marja Verstelle, Project Manager for Teaching at Leiden-Delft-Erasmus, talks about the importance of multidisciplinary collaboration for the new generation…

Missions to the moon have become popular again. In just one week, a lunar mission from Russia failed while India landed a spacecraft in a historic first. Companies, too, want to go to the moon. But can anyone just go to the moon? Tanja Masson-Zwaan explains the rules of international space law on Dutch…

ESA’s Gaia mission has produced the richest star catalogue to date, including high-precision measurements of nearly 1.7 billion stars and revealing previously unseen details of our home Galaxy.

In the course ‘Research Design CSM’ Dr. Elke Devroe and Moniek Akerboom organized this year a competitive research conference where students of the Master Crisis and Security Management (CSM) presented their research design in order to gain some (fictive) funding on their proposal.

The British Academy appointed Eveline Crone as a Corresponding Fellow to recognise her contribution to the SHAPE themes - the social sciences, humanities and the arts. The British Academy is the national academy for social sciences and humanities in the United Kingdom. Besides Crone, 83 other Fellows…

In the next few days several compositions by Aart Strootman (guitarist, instrument builder, composer, teacher and ACPA PhD) will premiere at Festival Classique and Festival Gaudeamus.

Alumnus Jelte Liemburg, aged 29, aims to visit every single one of the 500 museums in the Netherlands that take part in the national museum pass scheme.

'We believe that developing a protocol to help people fight cancer is extremely valuable, given that cancer is such a prevalent and devastating disease. If you believe so too, you can support us in realising this mission.' Master's student in Psychology Saskia Heijnen starts crowdfunding to make her…

Forget Python, Java and Scratch: there is now an accessible programming language for children. This is Hedy, invented by Dr. Felienne Hermans of LIACS. Thanks to a collaboration between Jetlearn, an online programming school based in Amsterdam, and Leiden University, Hedy now has translations in Hindi…

The project has been done under the supervision of Dr. Diego Garlaschelli and Dr. Frank Takes. The title of the presentation is: ''Complex Network Analysis of Darknet Black Market Forum Structure.

The world let Rwanda down at the time of the genocide, and that can never be allowed to happen again, Cleveringa Professor Roméo Dallaire declared in his lecture on 26 November. Dallaire, a retired Canadian Lieutenant-General, also called for more attention to be paid to soldiers suffering the effects…

On the evening of Tuesday January 31st, the physics institute organizes its triannual meeting for over seventy high school teachers. The program consists of lectures on developments in modern physics and the latest initiatives in the world of education.

The special of the Dutch History Programme Andere Tijden 'Missie Geslaagd?' (Mission accomplished?) tells the story of the last fathers of the Holy Spirit Congregation who live in Gennep. Professor of Anthropology and Sociology of Africa Peter Pels is one of the specialists in this episode. He explains…

Universe Awareness (UNAWE) started a crowdfunding campaign together with Design & Data GmbH, with a central role for the plush 'astronaut' Rosetta. This stuffed toy is used for interactive classes, in order to teach pupils across the world about astronomy and space sciences.

Young researchers met this month for the fifth Science Communication Summer School. ‘This is the first time some participants get to meet other researchers who also enjoy science communication. It’s great to see’, says Julia Cramer, one of the coordinators.

As terrorism scholars, we are intrigued by those who engage in violence. We study their motivations, tactics, ideology, organisational structures, and pathways to (de-)mobilisation, hoping to better understand terrorism and how we can counter it. Far less attention is paid to what happens after an attack…

The School for Digital Deaf Studies 2025 is a hybrid school consisting of one week school in person in Ghana (15 - 24 August), followed by a one week school online later this year. It aims for the capacity building needed to expand academic research and education activities in digital Deaf studies,…

Democratic citizenship refers to the capacity and willingness of citizens to actively influence the functioning of state institutions. While considered a vital correlate of democratization and the rule of law, its largely western-oriented literature rarely studies the forms of democratic citizenship…

This is an Erasmus+ International Credit Mobility project of the Faculty of Science with two universities in Armenia.

Find out which documents you need to apply for the MSc in Nationalism, Ethnic Conflict and Development at Leiden University: transcripts, diplomas, CV, motivation letter, references, and additional supporting materials.

This is an Erasmus+ International Credit Mobility project of the Faculty of Science with three universities in Colombia.